plural noun Rhe·ifor·mes \ˌrēəˈfȯr(ˌ)mēz\

Definition of Rheiformes

  1. :  an order of birds that are intermediate in some respects between the ostriches and the emus and cassowaries and that comprise the recent and extinct rheas

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Origin and Etymology of rheiformes

New Latin, from Rhea + -iformes

Seen and Heard

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a brief usually trivial fact

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